Western Tailed-Blue
Cupido amyntula

Female Eclosure

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Photo Details - ©Nicky Davis
The photo is of thef female eclosing from ovum #4

Female located on a wild lathyrus plant in Butterfield Canyon.  She  laid 17 eggs at the base of the flowers or the tiny flower stem of this same plant.  The eggs took four days to hatch. Larvae were placed on the flowers of various legumes such as Astragalus cicer, unknown  milk vetch, Lathyrus latifolius and Hedysarum boreale to see which plant the they preferred.  They immediately went inside the blossoms. This larva fed on Astragalus cicer


Host
Milk vetches and other legumes. for photos, click on your choice of


Utah Sweetvetch, Hedysarum boreale
Astragalus cicer

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